Abstract
Oil spills and leakage accidents caused by oil exploitation, processing, transportation and use continue to pose environmental threat to global marine ecosystem. It has become an urgent task to prevent the ocean ecosystem from oil pollution and protect the marine resources. This paper introduces the negative effects of marine oil pollution and conventional treatment measures, briefly analyzes the great potential of rice hull adsorbent for purification of oil-polluted sea water and initially explored the adsorption effects of rice hull adsorbent. The experimental results indicated that after static adsorption at different dosage of rice hull adsorbent (0g, 4g, 8g, 12g, 16g, 20g), the oil removal efficiency got 65.3% when treated by rice hull adsorbent carbonized under the temperature of 350°C at dosage of 12g, which is prospective to help in treatment of marine oil residues in the future.
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